Komatsu PC200-8M0 Shop Manual page 739

304 Troubleshooting by failure code, Part 4
Failure code [DHSBMA] Swing LH PPC Press Sensor Abnormality
Cause
Hot short circuit in wiring harness
5
(contact with 5 V/24 V circuit)
6 Defective pump controller
Circuit diagram related to swing left PPC pressure sensor
PC200, 200LC, 220, 220LC-8M0
Procedure, measuring location, criteria and remarks
1. Turn starting switch to OFF position.
2. Disconnect connector P03.
3. Connect T-adapters to female side of connector P03.
4. Turn starting switch to ON position.
Between P03 (female) (2) and ground
If no failure is found by above checks, pump controller is defective. (Since this
is an internal defect, troubleshooting cannot be performed.)
SEN06136-00
Voltage Max. 1 V
15
40-304